Multiple functions: can exercise your baby's grasping ability fine movements exploring cognitive ability hand-brain coordination ability. Moms can rest assured to buy: use environmentally friendly water-based paint safe non-toxic no formaldehyde. Smooth edges without burrs. Manufacturered by GAO SHOP. Fine work: Exercise your baby's fingers for smooth movements smooth and rounded chamfers and bright colors Parent-child interaction: Toys are the bridge between you and your baby. Let's experience the charm of toys together. Multiple ways to play: When you buy this toy you can use it to learn math play advanced games or dominoes.